# A092090 (b-file synthesized from sequence entry) 0 1 1 3 2 8 3 22 4 67 5 229 6 897 7 4023 8 20512 9 117516 10 748031 11 5237959 12 40014097 13 331156423 14 2951484420 15 28184585550 16 287085799927 17 3106996356945 18 35603555478689 19 430652619722011 20 5483239453957132 21 73305511708044652 22 1026690239891085363 23 15033060056592047307